n. 猎捕海豹业
v. 密封( seal的现在分词 );决定;确定;封上(信封)
网络 密封; 密封件; 封闭
Make sure you´ve signed the cheque before sealing the envelope.
一定要在支票上签了名再封信封。
Your kit should be waterproof; however, sealing your supplies inside of zipper baggies is usually the job all you need to do.
你的急救工具箱必须是防水的;不过,你通常需要做的工作就是密封拉链袋里面的用品。
The greatest single advance began in 1800 when a Frenchman, Nicolas Appert, discovered that he could preserve certain foods by sealing them in jars and keeping the air from them.
最大的进步开始于1800年,当时法国人尼古拉斯·阿佩尔发现,他可以把某些食物密封在罐子里,不让空气进入。
The impact of raindrops on the loose soil tends to transfer fine clay particles into the tiniest soil spaces, sealing them and producing a surface that allows very little water penetration.
降水往往会把细小的粘土颗粒转移到土壤的最微小的空隙中,使这些空隙变得封闭,从而形成了一种几乎不允许任何水分渗透下来的表层土壤。
McLaren are close to sealing a deal with Renault.
麦克拉伦即将和雷诺尔特达成一笔交易。